(n.) A leaf, usually smaller than the true leaves of a plant, from the axil of which a flower stalk arises.
(n.) Any modified leaf, or scale, on a flower stalk or at the base of a flower.
Example Sentences:
(1) Enterobacter agglomerans was the most predominant bacterium on leaf and bract.
(2) Field-dried cotton bract, a contaminant of cotton dust, has been implicated in byssinosis pathogenesis.
(3) Cotton bract tannin is a potent stimulus for platelet aggregation and secretion.
(4) Byssinosis, COPD, cotton fever and cotton pneumoconiosis may be different types of responses due to the different duration of exposure, the different parts of bronchial tree (upper respiratory tract, small airway, and respiratory part) where deposition occurs, and the different components of cotton dust (broken cotton fibers, bracts, pericarps, bacteria, and fungi).
(5) Comparison of the cytotoxicity dose curves for aqueous bracts extracts with those for tannin demonstrated that tannin was the major cytotoxin present in bracts.
(6) Bract is the most abundant component in respirable raw cotton dust.
(7) After clearing and removal of the cuticle, the bracts are bleached, washed, dehydrated, and if studied by light microscopy, stained in 2% chlorazol black E and mounted in Diaphane; or, if studied by scanning electron microscopy, dried by the critical-point method and either left uncoated or coated with a film of various conductive metals.
(8) The human T lymphocyte proliferative response to cotton bract tannin was shown to be dependent upon the presence of monocytes.
(9) Pulmonary function measured by flow changes on partial expiratory flow volume curves was used to assess airway responses to the bract extracts after their inhalation by a panel of volunteers.
(10) The content of bract was unaffected by this harvest-aid practice.
(11) Raw cotton from 4 machine picked varieties and 2 machine stripped varieties is examined by stereomicroscope and bright-field microscopy for presence of plant trash(bract, leaf, stem, seed, boll, and weed fragments-size range 841-2000mum) that gives rise to cotton dust during yarn manufacturing operations.
(12) The effects of a water extract of cotton bracts (CBE) on guinea pig isolated trachealis smooth muscle was studied.
(13) The authors established an in vitro cytotoxicity assay using 51Cr release to assess time- and dose-dependent toxicity of condensed tannin, a component of bracts, on porcine aortic and pulmonary arterial endothelial cells.
(14) Senescence affected the population levels of the various genera on leaf and bract.
(15) The provenance of bristles and bracts suggests that the bristle cells move into their final positions.
(16) Mill workers are exposed to bract which has weathered in the field, but it is not known whether biologic effects of bract are due to intrinsic plant compound(s) or to contamination occurring during field weathering.
(17) To determine if constituents of cotton plants might play a role in byssinosis by injuring pulmonary epithelium, we added extracts of cotton dust, green bract, and field-dried bract to human A549 and rat type II pneumocytes.
(18) Macrophages obtained by bronchoalveolar lavage from volunteers pre-challenged with bract extract release increased amounts of chemotactic factor and superoxide anion.
(19) The role of nonspecific reactivity of the airways in this reaction to cotton bract extract is undefined.
(20) Extracts of cotton dust and field-dried bract produced significant dose- and time-dependent lysis and detachment of both target cells, while green bract extract was less damaging.
Brant
Definition:
(n.) A species of wild goose (Branta bernicla) -- called also brent and brand goose. The name is also applied to other related species.
(a.) Steep.
(a.) Steep; high.
(a.) Smooth; unwrinkled.
Example Sentences:
(1) Brantly said he was first tested for malaria, but to his dismay, the results came back negative.
(2) The other missionaries, Kent Brantly and Nancy Writebol , were recently discharged from Emory University Hospital in Atlanta where they were treated for several weeks.
(3) At the hospital, one person in protective clothing guided another, believed to be Brantly, towards a building.
(4) Brantly said the virus was not on the radar when he and his family moved to west Africa two years ago, but he noticed a steady increase in Ebola patients in June and July.
(5) On Tuesday, Brantly and his wife, Amber, sat down with NBC News' Matt Lauer to speak for the first time about his experience fighting the deadly disease.
(6) That’s his heart,” said Jeremy Blume, a spokesman for the non-profit medical mission group Samaritan’s Purse, which Brantly was working for in Liberia.
(7) Today is a miraculous day,” Brantly said at a press conference at Emory hospital on Thursday to announce his discharge from care.
(8) His wife and children returned to the US on 20 July, but Brantly stayed on to continue his work.
(9) Aid workers Dr Kent Brantly of Texas and Nancy Writebol were the first Ebola patients to be treated in the US.
(10) Robin Brant (@robindbrant) in spite of description of responsibilities under his name on .gov.uk i am told that mark francois is the new min for armed forces.
(11) She and the couple’s children were living in Liberia with Brantly but left before he developed symptoms.
(12) Brantly and Writebol were both treated in the hospital’s containment unit, which is specially equipped to care for patients with serious communicable diseases.
(13) Brantly said he was thankful Amber and his two children had already left the country by the time he fell ill. His wife and children had returned to Texas for a wedding.
(14) Brantly and Writebol were both treated in Emory hospital’s containment unit, which is specially equipped to care for patients with serious communicable diseases.
(15) Sacra had gone back to Monrovia after fellow missionaries Brantly and Writebol were diagnosed.
(16) These secretory variants contain frameshift mutations leading to products with normal amino acid sequences to the points of the mutations followed by short, aberrant C-terminal sequences and then premature termination (Nukiwa, T., Takahashi, H., Brantly, M., Courtney, M., and Crystal, R. (1987) J. Biol.
(17) Nancy Writebol and Kent Brantly are the first Americans to survive the deadly virus that has claimed more than 1,500 lives, according to the World Health Organization.
(18) Brantly said he woke up on 23 July feeling a "little off".
(19) Hell yeah, I’m very worried.” Three Americans contracted Ebola in west Africa and were flown to the United States for treatment and later released: Kent Brantly, Nancy Writebol and Rick Sacra.
(20) Writebol said the next few days were a blur, as she was transported to the US where she joined her colleague Brantly in a two-room isolation unit at Emory University hospital.